:root { color-scheme: light; --ink:#17243a; --muted:#5c6270; --coral:#f45970; --coral-dark:#d93a56; --cream:#fff9ee; --pink:#fff4f4; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:#fff; font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif; }
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; -webkit-tap-highlight-color:transparent; }
a:focus-visible { outline:3px solid var(--coral); outline-offset:4px; }
figure,p,h1,h2,h3 { margin:0; }
.skip-link { position:absolute; left:12px; top:-60px; z-index:10; background:var(--ink); color:#fff; padding:12px 20px; border-radius:10px; }
.skip-link:focus { top:12px; }
.section-shell { width:min(1220px,calc(100% - 48px)); margin-inline:auto; }
.site-header { background:#fff; }
.header-inner { width:min(1280px,calc(100% - 48px)); min-height:92px; margin:auto; display:flex; align-items:center; gap:40px; }
.brand,.footer-brand { display:inline-flex; align-items:center; gap:8px; font-size:24px; font-weight:900; white-space:nowrap; }
.brand img { object-fit:contain; }
.header-nav { display:flex; gap:36px; margin-left:auto; font-size:14px; font-weight:700; }
.header-nav a:hover,.footer-links a:hover,.text-link:hover { color:var(--coral-dark); }
.header-store { display:inline-flex; justify-content:center; align-items:center; min-height:46px; border:1.5px solid var(--coral); border-radius:999px; color:var(--coral-dark); padding:0 22px; font-size:14px; font-weight:800; white-space:nowrap; }
.header-store:hover { background:var(--coral); color:#fff; }
.hero { background:var(--cream); overflow:hidden; }
.hero-inner { width:min(1280px,calc(100% - 48px)); margin:auto; display:grid; grid-template-columns:minmax(0,1fr) minmax(360px,490px); align-items:start; gap:clamp(48px,7vw,120px); padding:62px 0 90px; }
.hero-copy { padding-top:96px; }
.hero h1 { font-size:clamp(44px,5.4vw,76px); font-weight:900; line-height:1.34; letter-spacing:-.045em; color:#111; white-space:nowrap; }
.hero-title-second { display:block; }
.hero-lead { margin-top:32px; font-size:clamp(21px,2.1vw,28px); font-weight:800; color:var(--coral-dark); }
.hero-description { max-width:570px; margin-top:20px; font-size:17px; line-height:2; color:#3e424c; }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:24px; margin-top:38px; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:18px; min-height:60px; border-radius:999px; padding:0 30px; font-size:16px; font-weight:800; white-space:nowrap; transition:background-color .2s ease,transform .2s ease; }
.button:hover { transform:translateY(-2px); }
.button-primary { background:var(--coral); color:#fff; box-shadow:0 12px 26px rgba(244,89,112,.2); }
.button-primary:hover { background:var(--coral-dark); }
.button span { font-size:23px; line-height:1; }
.text-link { font-size:15px; font-weight:750; text-decoration:underline; text-underline-offset:5px; }
.hero-note { display:flex; align-items:center; gap:10px; margin-top:86px; color:#5a5960; font-size:13px; line-height:1.65; }
.hero-note img { object-fit:contain; }
.hero-artboard { justify-self:end; width:min(100%,460px); border-radius:32px; box-shadow:0 28px 64px rgba(79,51,48,.13); }
.hero-artboard img { width:100%; height:auto; border-radius:inherit; }
.screens { padding-top:128px; padding-bottom:140px; }
.section-heading { margin-bottom:56px; }
.section-heading h2,.features h2,.closing h2 { font-size:clamp(34px,3.8vw,54px); line-height:1.45; letter-spacing:-.035em; font-weight:900; color:#111; }
.section-heading p { margin-top:14px; font-size:16px; line-height:1.9; color:var(--muted); }
.screen-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:26px; }
.screen-item { min-width:0; }
.screen-item > img { width:100%; height:auto; border-radius:24px; box-shadow:0 16px 32px rgba(84,44,51,.09); }
.screen-item figcaption { display:flex; gap:12px; align-items:baseline; margin-top:24px; }
.screen-number { font-size:13px; font-weight:900; color:var(--coral-dark); }
.screen-item strong { display:block; font-size:18px; line-height:1.5; }
.screen-item small { display:block; margin-top:6px; color:var(--muted); font-size:13px; line-height:1.7; }
.features { background:var(--pink); }
.features-inner { display:grid; grid-template-columns:minmax(250px,390px) minmax(0,1fr); gap:clamp(70px,10vw,160px); padding-top:116px; padding-bottom:116px; }
.features-intro p { margin-top:24px; font-size:16px; line-height:2; color:var(--muted); }
.features-intro img { margin-top:50px; object-fit:contain; }
.feature-row { display:grid; grid-template-columns:45px 1fr; gap:20px; padding:25px 0; border-top:1px solid #eac9ce; }
.feature-row:last-child { border-bottom:1px solid #eac9ce; }
.feature-row > span { padding-top:5px; color:var(--coral-dark); font-size:13px; font-weight:900; }
.feature-row h3 { font-size:22px; font-weight:850; line-height:1.45; }
.feature-row p { margin-top:8px; color:#555b66; font-size:15px; line-height:1.9; }
.closing { display:flex; align-items:center; justify-content:space-between; gap:36px; padding-top:120px; padding-bottom:130px; }
.closing p { margin-top:20px; font-size:16px; line-height:1.9; color:var(--muted); }
.closing .button { margin-top:34px; }
.closing > img { flex:0 0 auto; object-fit:contain; }
footer { background:#f9f8f5; border-top:1px solid #eee9e2; }
.footer-inner { min-height:178px; display:flex; align-items:center; gap:36px; }
.footer-brand { font-size:19px; }
.footer-links { display:flex; gap:24px; flex-wrap:wrap; margin-left:auto; font-size:13px; font-weight:650; }
.footer-inner > p { margin-left:20px; font-size:12px; color:var(--muted); white-space:nowrap; }
@media (max-width:1050px) {
  .header-nav { gap:20px; }
  .hero-inner { grid-template-columns:minmax(0,1fr) minmax(300px,390px); gap:28px; min-height:0; }
  .hero h1 { font-size:clamp(38px,5vw,58px); }
  .screen-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:50px 28px; }
  .screen-item > img { max-width:390px; }
  .footer-inner { flex-wrap:wrap; padding-block:40px; }
}
@media (max-width:720px) {
  .section-shell,.header-inner,.hero-inner { width:min(calc(100% - 32px),520px); }
  .header-inner { min-height:70px; gap:12px; }
  .brand { font-size:19px; }
  .brand img { width:38px; height:38px; }
  .header-nav { display:none; }
  .header-store { margin-left:auto; min-height:42px; padding:0 13px; font-size:12px; }
  .hero-inner { display:flex; flex-direction:column; align-items:stretch; gap:40px; padding-top:64px; padding-bottom:72px; }
  .hero-copy { padding-top:0; }
  .hero h1 { font-size:clamp(34px,9.5vw,48px); line-height:1.4; white-space:normal; }
  .hero-title-second { font-size:clamp(26px,7.5vw,36px); white-space:nowrap; }
  .hero-lead { margin-top:22px; font-size:21px; }
  .hero-description { margin-top:14px; font-size:15px; }
  .hero-actions { gap:22px; margin-top:28px; }
  .button { min-height:56px; padding:0 24px; font-size:15px; }
  .hero-note { margin-top:38px; }
  .hero-artboard { width:min(100%,420px); align-self:center; border-radius:24px; }
  .screens { padding-top:82px; padding-bottom:88px; }
  .section-heading { margin-bottom:36px; }
  .section-heading h2,.features h2,.closing h2 { font-size:34px; }
  .section-heading p { font-size:14px; }
  .screen-grid { gap:36px 16px; }
  .screen-item > img { border-radius:15px; }
  .screen-item figcaption { margin-top:14px; gap:6px; }
  .screen-item strong { font-size:14px; }
  .screen-item small { font-size:12px; }
  .screen-number { font-size:11px; }
  .features-inner { display:block; padding-top:80px; padding-bottom:85px; }
  .features-intro p { margin-top:16px; font-size:15px; }
  .features-intro img { display:none; }
  .feature-list { margin-top:38px; }
  .feature-row { gap:8px; padding:21px 0; }
  .feature-row h3 { font-size:18px; }
  .feature-row p { font-size:14px; }
  .closing { padding-top:82px; padding-bottom:80px; }
  .closing > img { width:90px; height:90px; align-self:flex-end; }
  .closing p { font-size:14px; }
  .footer-inner { display:block; padding-block:38px; }
  .footer-links { margin:26px 0 0; display:grid; gap:18px; }
  .footer-inner > p { margin:36px 0 0; }
}
@media (max-width:420px) {
  .screen-grid { grid-template-columns:1fr; gap:46px; }
  .screen-item { max-width:350px; margin-inline:auto; }
  .screen-item figcaption { gap:12px; }
  .screen-item strong { font-size:17px; }
  .closing { flex-wrap:wrap; }
  .closing > img { width:68px; height:68px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  .button { transition:none; }
  .button:hover { transform:none; }
}